Optimization of the Age-sex Distribution of Yaks' Population in Ruoergai County

Optimization of the Age-sex Distribution of Yaks' Population in Ruoergai County

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Veröffentlicht in:International Conference on Agricultural Systems Engineering (1. : 1987 : Changchun) Proceedings of the First International Conference on Agricultural Systems Engineering
1. Verfasser: Li, Cai (VerfasserIn)
Weitere Verfasser: Ming, Yang (VerfasserIn), Zhihua, Cheng (VerfasserIn), Changling, Zhao (VerfasserIn), Li, Ma (VerfasserIn)
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Sprache:eng
Veröffentlicht: 1987
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